src/tools/gyp/test/cflags/gyptest-cflags.py

   1 #!/usr/bin/env python
   2
   3 # Copyright (c) 2012 Google Inc. All rights reserved.
   4 # Use of this source code is governed by a BSD-style license that can be
   5 # found in the LICENSE file.
   6
   7 """
   8 Verifies the use of the environment during regeneration when the gyp file
   9 changes, specifically via build of an executable with C preprocessor
  10 definition specified by CFLAGS.
  11
  12 In this test, gyp and build both run in same local environment.
  13 """
  14
  15 import TestGyp
  16
  17 # CPPFLAGS works in ninja but not make; CFLAGS works in both
  18 FORMATS = ('make', 'ninja')
  19
  20 test = TestGyp.TestGyp(formats=FORMATS)
  21
  22 # First set CFLAGS to blank in case the platform doesn't support unsetenv.
  23 with TestGyp.LocalEnv({'CFLAGS': '',
  24                        'GYP_CROSSCOMPILE': '1'}):
  25   test.run_gyp('cflags.gyp')
  26   test.build('cflags.gyp')
  27
  28 expect = """FOO not defined\n"""
  29 test.run_built_executable('cflags', stdout=expect)
  30 test.run_built_executable('cflags_host', stdout=expect)
  31
  32 test.sleep()
  33
  34 with TestGyp.LocalEnv({'CFLAGS': '-DFOO=1',
  35                        'GYP_CROSSCOMPILE': '1'}):
  36   test.run_gyp('cflags.gyp')
  37   test.build('cflags.gyp')
  38
  39 expect = """FOO defined\n"""
  40 test.run_built_executable('cflags', stdout=expect)
  41
  42 # Environment variables shouldn't influence the flags for the host.
  43 expect = """FOO not defined\n"""
  44 test.run_built_executable('cflags_host', stdout=expect)
  45
  46 test.sleep()
  47
  48 with TestGyp.LocalEnv({'CFLAGS': ''}):
  49   test.run_gyp('cflags.gyp')
  50   test.build('cflags.gyp')
  51
  52 expect = """FOO not defined\n"""
  53 test.run_built_executable('cflags', stdout=expect)
  54
  55 test.sleep()
  56
  57 with TestGyp.LocalEnv({'CFLAGS': '-DFOO=1'}):
  58   test.run_gyp('cflags.gyp')
  59   test.build('cflags.gyp')
  60
  61 expect = """FOO defined\n"""
  62 test.run_built_executable('cflags', stdout=expect)
  63
  64 test.pass_test()